Pedido de patente depositado
#2.1
07/04/1989
RPI 976
The letters patent expired on 11/20/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Tigre S/A - Tubos e Conexões
BR
Tubos e Conexões Tigre Ltda
SC, BR
Inventors
D. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 18/05/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
11/20/2001
RPI 1611
#25.1
Transferido por incorporação de: Tubos e Conexões Tigre Ltda.
12/14/1999
RPI 1510
#16.1
11/29/1994
RPI 1252
#13.1
08/16/1994
RPI 1237
#9.1
04/19/1994
RPI 1220
#4.1
05/14/1991
RPI 1067
#3.1
03/05/1991
RPI 1057
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